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F2A55-M LK Series
• F2A55-M LK
• F2A55-M LK PLUS
Motherboard
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E7617 First Edition August 2012 Copyright © 2012 ASUSTeK COMPUTER INC. All Rights Reserved. No part of this manual, including the products and software described in it, may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any means, except documentation kept by the purchaser for backup purposes, without the express written permission of ASUSTeK COMPUTER INC. (“ASUS”). Product warranty or service will not be extended if: (
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Contents Safety information ...................................................................................................... vi About this guide ........................................................................................................ vii F2A55-M LK Series specifications summary ........................................................... ix Package contents ....................................................................................................... xi Chapter 1: P
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2.1.2 ASUS EZ Flash 2 ............................................................................2-2 2.1.3 ASUS CrashFree BIOS 3 utility ......................................................2-3 2.1.4 ASUS BIOS Updater .......................................................................2-4 2.2 BIOS setup program .....................................................................................2-6 2.3 Main menu ...............................................................................
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2.7 Boot menu ...................................................................................................2-25 2.7.1 Bootup NumLock State [On] .........................................................2-25 2.7.2 Full Screen Logo [Enabled] ...........................................................2-25 2.7.3 Fast Boot [Enabled] ......................................................................2-26 2.7.4 Post Delay Time [3 sec] ............................................................
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Safety information Electrical safety • To prevent electrical shock hazard, disconnect the power cable from the electrical outlet before relocating the system. • When adding or removing devices to or from the system, ensure that the power cables for the devices are unplugged before the signal cables are connected. If possible, disconnect all power cables from the existing system before you add a device. • Before connecting or removing signal cables from the motherboard, ensure that all power
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About this guide This user guide contains the information you need when installing and configuring the motherboard. How this guide is organized This guide contains the following parts: • Chapter 1: Product introduction This chapter describes the features of the motherboard and the new technology it supports. • Chapter 2: BIOS information This chapter tells how to change system settings through the BIOS Setup menus. Detailed descriptions of the BIOS parameters are also provided. Where to find
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Conventions used in this guide To ensure that you perform certain tasks properly, take note of the following symbols used throughout this manual. DANGER/WARNING: Information to prevent injury to yourself when trying to complete a task. CAUTION: Information to prevent damage to the components when trying to complete a task IMPORTANT: Instructions that you MUST follow to complete a task. . NOTE: Tips and additional information to help you complete a task. Typography Bold text Indicates a menu o
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F2A55-M LK Series specifications summary ® APU FM2 socket for AMD A-Series accelerated processors (APU) with AMD Radeon™ HD 7000 Series graphics, up to 4 CPU cores ® AMD Turbo Core Technology 3.0 support ® ® Microsoft DirectX 11 support ® • The AMD Turbo Core Technology 3.0 support depends on the APU types. ® • Refer to www.asus.com for the AMD APU support list. ® Chipset AMD A55 FCH Memory 2 x 240-pin DIMM slots support maximum 32GB unbuffered non-ECC DDR3 2400(O.C.) / 2250(O.C.) / 2200(O.C.)
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F2A55-M LK Series specifications summary ASUS unique ASUS DIGI+ VRM features ASUS 3+2 Phase Power Design Network iControl ASUS EPU ASUS AI Suite II ASUS UEFI BIOS EZ Mode featuring friendly graphics user interface ASUS TurboV ASUS Anti-Surge Protection ASUS Fan Xpert ASUS CrashFree BIOS 3 ASUS EZ Flash 2 ASUS MyLogo 2™ Special features 100% All high quality conductive polymer (F2A55-M LK PLUS only) Back Panel I/O 1 x PS/2 mouse port (green) ports 1 x PS/2 keyboard port (purple) 1 x DVI-D port 1
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Package contents Check your motherboard package for the following items. 20.8cm(8.2in) KBMS CPU_FAN DIGI ATX12V +VRM USB34 COM LAN_USB12 CHA_FAN AUDIO F2A55-M LK PLUS SB_PWR PCIEX16 RTL 8111F SATA3G_4 PCIEX1_1 Lithium Cell CMOS Power ® AMD SATA3G_3 Super I/O A55 PCIEX1_2 SATA3G_2 PCI1 64Mb ALC USBPW5-10 SATA3G_1 BIOS 887 SPDIF_OUT USB910 USB78 USB56 CLRTC LPT AAFP SPEAKER F_PANEL 2 x Serial ATA 3.0 Gb/s ASUS F2A55-M LK Series motherboard cables 1 x I/O Shield User Guide Support DVD • F2A55-M F2
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Product introduction 1 1.1 Special features 1.1.1 Product highlights ® ® AMD A-series accelerated processors with AMD Radeon™ HD 7000 series graphics ® ® This motherboard supports AMD A-series accelerated processor with AMD Radeon™ HD 7000 series graphics. This revolutionary APU (Accelerated Processing Unit) combines processing power and advanced DirectX 11 graphics in one small, energy-efficient design to enable accelerated performance and an industry-leading visual experience. It features
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1.1.2 ASUS DIGI+ VRM DIGI+POWER CONTROL: Digital Power Design for the APU* ® ASUS motherboards using the AMD A55 chipset employ precise digital voltage regulation for the APU, called DIGI+ VRM (Voltage Regulation Modules) digital power design. The APU voltage is adjusted via either carefully developed automated modes, or by using user-defined profiles. The effect is that DIGI+ VRM technology ensures greater energy efficiency and the most precise power delivery. Boosted by world-renowned ASUS
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ASUS Anti-Surge Protection This special design protects expensive devices and the motherboard from damage caused by power surges from switching power supply unit (PSU). AI Suite II With its user interface, ASUS AI Suite II integrates several ASUS utilities and allows you to launch and operate these utilities simultaneously. It allows you to configure the overclocking settings, adjust the frequencies and related voltages, remotely control the system via a mobile device, and other easy-to-use
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1.2 Before you proceed Take note of the following precautions before you install motherboard components or change any motherboard settings. • Unplug the power cord from the wall socket before touching any component. • Before handling components, use a grounded wrist strap or touch a safely grounded object or a metal object, such as the power supply case, to avoid damaging them due to static electricity. • Hold components by the edges to avoid touching the ICs on them. • Whenever you uninstall
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1.3 Motherboard overview 1.3.1 Placement direction When installing the motherboard, ensure that you place it into the chassis in the correct orientation. The edge with external ports goes to the rear part of the chassis as indicated in the image below. 1.3.2 Screw holes Place six screws into the holes indicated by circles to secure the motherboard to the chassis. DO NOT overtighten the screws! Doing so can damage the motherboard. Place this side towards the rear of the chassis. F2A55-M LK PLU
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1.3.3 Motherboard layout F2A55-M LK Series motherboards include F2A55-M LK PLUS and F2A55-M LK models. The package contents vary from models. The layout illustrations in this user guide are for F2A55-M LK PLUS only. 1 2 3 4 5 6 20.8cm(8.2in) KBMS CPU_FAN DIGI +VRM ATX12V 3 USB34 16 COM LAN_USB12 CHA_FAN 7 AUDIO F2A55-M LK PLUS SB_PWR 8 PCIEX16 RTL 5 8111F SATA3G_4 PCIEX1_1 Lithium Cell CMOS Power ® SATA3G_3 Super AMD I/O A55 PCIEX1_2 7 SATA3G_2 PCI1 64Mb USBPW5-10 ALC SATA3G_1 BIOS 887 SPDIF_O
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1.3.4 Layout contents Connectors/Jumpers/Slots/LED Page 1. Keyboard power (3-pin KBPWR) 1-21 2. USB device wake-up (3-pin USBPW1-4, 3-pin USBPW5-10) 1-21 3. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V) 1-24 4. AMD FM2 socket 1-7 5. CPU and chassis fan connectors (4-pin CPU_FAN and 3-pin CHA_FAN) 1-23 6. DDR3 DIMM slots 1-11 7. SATA 3.0Gb/s connectors (7-pin SATA3G_1~6) 1-25 8. Standby power LED (SB_PWR) 1-4 9. System panel connector (10-1 pin F_PANEL) 1-26 10. Speaker connector (4-pin SPE
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1.4.1 APU installation 1 2 3 4 1-8 Chapter 1: Product introduction
